1 x PCI Express x16 slot, running at x16 (PCIEX16),* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.,1 x PCI Express x16 slot, running at x8 (PCIEX8),* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.,1 x PCI Express x16 slot, running at x4 (PCIEX4)

1 x PCI Express x16 slot, running at x16 (PCIEX16),* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.,1 x PCI Express x16 slot, running at x8 (PCIEX8),* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.,1 x PCI Express x16 slot, running at x4 (PCIEX4)

Quad Channel DDR4 Memory Technology,8 x DDR4 DIMM Slots,Supports DDR4 3600+(OC)/3200(OC)/2933(OC)/2667/2400/2133 ECC&non-ECC, un-buffered memory(U-DIMM),Max. capacity of system memory: 128GB*,15 Gold Contact in DIMM Slots,*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® 32-bit OS. For Windows® 64-bit OS with 64-bit CPU, there is no such limitation.

Realtek® ALC887 codec,High Definition Audio,2/4/5.1/7.1-channel,* To configure 7.1-channel audio, you have to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.,Support for S/PDIF Out

1 x PCI Express x16 slot, running at x16 (PCIEX16)(Note),* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. (The PCIEX16 slot conforms to PCI Express 3.0 standard.),1 x PCI Express x16 slot, running at x4 (PCIEX4),* The PCIEX4 slot shares bandwidth with the PCIEX1 2 slot. The PCIEX4 slot operates at up to x2 mode when the PCIEX1 2 slot is populated. The PCIEX4 slot operates at up to x4 mode when the PCIEX1 2 is empty. 2 x PCI Express x1 slots,(The PCIEX4 and PCIEX1 slots conform to PCI Express 2.0 standard.)